x402 List

x402 Protocol Service Directory

●

Spraay Gateway

AI ✓ VERIFIED

verified until 2026-07-27

Full-stack x402 gateway: AI inference, payments, oracle, analytics, comms, webhooks, RPC, storage, KYC, GPU compute, Search/RAG. ~60 endpoints.

Pay from $0.005 to $0.10 per request in USDC on Base / Solana, settled onchain via the x402 protocol, no signup, no API key needed.

UPTIME 24H 100% │ 7D 100% │ 30D 100%
BASE URL https://gateway.spraay.app │ WEBSITE https://docs.spraay.app │ ENDPOINTS 4 │ NETWORK Base / Solana │ ASSET USDC │ MEMBER SINCE 2026-02-14 │ MONITORED SINCE 2026-04-15

ASSESSMENT

updated 1h ago

Evidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.

reliability 100%
uptime 24h
100%
uptime 7d
100%
uptime 30d
100%
uptime 90d
99.9%
response p95
234ms
avg response
202ms
total checks
7,232
compliance A (11/11)

11 of 11 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.005 to $0.10 (p40 in AI)
price (min)
$0.005
price (max)
$0.10
category percentile (min)
p40 in AI
category percentile (max)
p48 in AI
endpoints / prices
4 / 4
model
tiered
stability
80%
risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

traction $5.63 30d · 32 buyers
volume 30d
$5.63
buyers 30d
32
settlements 30d
344
last settlement
2026-07-20
top buyer share
35% of 30d volume
trend 7d vs 30d
1.32x the 30d daily rate
networks
eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

Spraay Gateway provides AI inference, batch payment processing, and escrow services on the Base blockchain.

category
ai-gateway
in
body
ai-inferencebatch-paymentsescroworacle-pricesllmcrypto-payments

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
POST /api/v1/batch/execute Batch action execution $0.02 Base/Solana USDC
POST /api/v1/chat/completions LLM inference $0.005 Base/Solana USDC
POST /api/v1/escrow/create Create escrow $0.10 Base/Solana USDC
GET /api/v1/oracle/prices Oracle prices $0.008 Base/Solana USDC
4 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /api/v1/oracle/prices returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://gateway.spraay.app/api/v1/oracle/prices'
// 402 response (captured by monitor) · 4 payloads · click to expand 
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xAd62f03C7514bb8c51f1eA70C2b75C37404695c8",
        "amount": "8000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "payTo": "8WhWE8YgY5QBWyLowEHuaZiWdwDM3SrgDk36xYBNvYNS",
        "amount": "8000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://gateway.spraay.app/api/v1/oracle/prices",
      "mimeType": "application/json",
      "description": "Multi-token price feed."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "tokens": "ETH,cbBTC"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "prices": {}
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "properties": {
                    "tokens": {
                      "type": "string"
                    }
                  }
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "prices": {
                      "type": "object"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xAd62f03C7514bb8c51f1eA70C2b75C37404695c8",
        "amount": "100000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "payTo": "8WhWE8YgY5QBWyLowEHuaZiWdwDM3SrgDk36xYBNvYNS",
        "amount": "100000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://gateway.spraay.app/api/v1/escrow/create",
      "mimeType": "application/json",
      "description": "Create conditional escrow with milestones and expiry."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "token": "USDC",
              "amount": "5000",
              "depositor": "0xClient",
              "beneficiary": "0xFreelancer"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "escrow": {
                "id": "ESC-A1B2"
              },
              "status": "created"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "required": [
                    "depositor",
                    "beneficiary",
                    "token",
                    "amount"
                  ],
                  "properties": {
                    "token": {
                      "type": "string"
                    },
                    "amount": {
                      "type": "string"
                    },
                    "arbiter": {
                      "type": "string"
                    },
                    "depositor": {
                      "type": "string"
                    },
                    "expiresIn": {
                      "type": "number"
                    },
                    "conditions": {
                      "type": "array"
                    },
                    "beneficiary": {
                      "type": "string"
                    }
                  }
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "escrow": {
                      "type": "object"
                    },
                    "status": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xAd62f03C7514bb8c51f1eA70C2b75C37404695c8",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "payTo": "8WhWE8YgY5QBWyLowEHuaZiWdwDM3SrgDk36xYBNvYNS",
        "amount": "5000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://gateway.spraay.app/api/v1/chat/completions",
      "mimeType": "application/json",
      "description": "AI chat completions via 200+ models."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "model": "openai/gpt-4o-mini",
              "messages": [
                {
                  "role": "user",
                  "content": "Hello"
                }
              ]
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "choices": [
                {
                  "message": {
                    "content": "Hello!"
                  }
                }
              ]
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "required": [
                    "model",
                    "messages"
                  ],
                  "properties": {
                    "model": {
                      "type": "string"
                    },
                    "messages": {
                      "type": "array"
                    }
                  }
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "choices": {
                      "type": "array"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xAd62f03C7514bb8c51f1eA70C2b75C37404695c8",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "payTo": "8WhWE8YgY5QBWyLowEHuaZiWdwDM3SrgDk36xYBNvYNS",
        "amount": "20000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://gateway.spraay.app/api/v1/batch/execute",
      "mimeType": "application/json",
      "description": "Batch payments via Spraay. Implements Batch Payments for Agents (BPA) 1.0 - atomic, non-custodial, up to 200 recipients. Spec: https://docs.spraay.app/bpa/1.0/"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "token": "USDC",
              "sender": "0x...",
              "amounts": [
                "1000000"
              ],
              "recipients": [
                "0x..."
              ]
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "transactions": []
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "required": [
                    "token",
                    "recipients",
                    "amounts",
                    "sender"
                  ],
                  "properties": {
                    "token": {
                      "type": "string"
                    },
                    "sender": {
                      "type": "string"
                    },
                    "amounts": {
                      "type": "array"
                    },
                    "recipients": {
                      "type": "array"
                    }
                  }
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "properties": {
                    "transactions": {
                      "type": "array"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

UPTIME

06-21 · uptime 100.0% · 114ms avg06-22 · uptime 100.0% · 121ms avg06-23 · uptime 99.6% · 143ms avg06-24 · uptime 100.0% · 156ms avg06-25 · uptime 99.6% · 225ms avg06-26 · uptime 100.0% · 260ms avg06-27 · uptime 100.0% · 212ms avg06-28 · uptime 100.0% · 209ms avg06-29 · uptime 100.0% · 224ms avg06-30 · uptime 100.0% · 255ms avg07-01 · uptime 100.0% · 259ms avg07-02 · uptime 100.0% · 280ms avg07-03 · uptime 100.0% · 223ms avg07-04 · uptime 100.0% · 200ms avg07-05 · uptime 100.0% · 208ms avg07-06 · uptime 100.0% · 202ms avg07-07 · uptime 100.0% · 235ms avg07-08 · uptime 100.0% · 226ms avg07-09 · uptime 100.0% · 233ms avg07-10 · uptime 100.0% · 212ms avg07-11 · uptime 100.0% · 207ms avg07-12 · uptime 100.0% · 223ms avg07-13 · uptime 100.0% · 217ms avg07-14 · uptime 100.0% · 215ms avg07-15 · uptime 100.0% · 189ms avg07-16 · uptime 100.0% · 210ms avg07-17 · uptime 100.0% · 180ms avg07-18 · uptime 100.0% · 157ms avg07-19 · uptime 100.0% · 156ms avg07-20 · uptime 100.0% · 157ms avg06-2107-20
RESPONSE TIME
06-21 · 114ms avg06-21 · 114ms avg06-22 · 121ms avg06-22 · 121ms avg06-23 · 143ms avg06-23 · 143ms avg06-24 · 156ms avg06-24 · 156ms avg06-25 · 225ms avg06-25 · 225ms avg06-26 · 260ms avg06-26 · 260ms avg06-27 · 212ms avg06-27 · 212ms avg06-28 · 209ms avg06-28 · 209ms avg06-29 · 224ms avg06-29 · 224ms avg06-30 · 255ms avg06-30 · 255ms avg07-01 · 259ms avg07-01 · 259ms avg07-02 · 280ms avg07-02 · 280ms avg07-03 · 223ms avg07-03 · 223ms avg07-04 · 200ms avg07-04 · 200ms avg07-05 · 208ms avg07-05 · 208ms avg07-06 · 202ms avg07-06 · 202ms avg07-07 · 235ms avg07-07 · 235ms avg07-08 · 226ms avg07-08 · 226ms avg07-09 · 233ms avg07-09 · 233ms avg07-10 · 212ms avg07-10 · 212ms avg07-11 · 207ms avg07-11 · 207ms avg07-12 · 223ms avg07-12 · 223ms avg07-13 · 217ms avg07-13 · 217ms avg07-14 · 215ms avg07-14 · 215ms avg07-15 · 189ms avg07-15 · 189ms avg07-16 · 210ms avg07-16 · 210ms avg07-17 · 180ms avg07-17 · 180ms avg07-18 · 157ms avg07-18 · 157ms avg07-19 · 156ms avg07-19 · 156ms avg07-20 · 157ms avg07-20 · 157ms avg06-2107-20
30d UPTIME 100%
UPTIME 30D 100%
AVG RESP 202ms
TOTAL CHECKS 7,244

RECENT CHECKS

TIME STATUS RESP
● OK 135ms
● OK 190ms
● OK 145ms
● OK 168ms
● OK 198ms
● OK 100ms
● OK 125ms
● OK 128ms
● SLOW 1269ms
● OK 182ms
● OK 147ms
● OK 203ms
● OK 138ms
● OK 176ms
● OK 216ms
● OK 180ms
● OK 155ms
● OK 214ms
18 of 7,244 checks

OVER TIME

All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/spraay-gateway/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted).

PRICE (captured 402, USD)
06-20 · $0.0306-30 · $0.0107-20 · $0.01$0.0106-2007-20

Median across 4 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
07-13 uptime: 100.0% compliance: 92% checks07-14 uptime: 100.0% compliance: 92% checks07-15 uptime: 100.0% compliance: 92% checks07-16 uptime: 100.0% compliance: 92% checks07-17 uptime: 100.0% compliance: 100% checks07-18 uptime: 100.0% compliance: 100% checks07-19 uptime: 100.0% compliance: 100% checks07-20 uptime: 100.0% compliance: 100% checksuptimecompliance07-1307-20
VOLUME (on-chain settlement, USD)
06-20 · $0.2206-21 · $0.0406-22 · $0.1306-23 · $0.0206-24 · $0.0006-26 · $0.0606-27 · $0.0106-28 · $0.0206-29 · $0.0406-30 · $0.0407-01 · $0.0507-02 · $107-03 · $0.6607-05 · $0.0307-06 · $0.2407-07 · $0.0707-08 · $0.4707-09 · $0.0407-10 · $0.2007-11 · $0.0807-12 · $0.0007-13 · $0.0607-14 · $0.0007-15 · $0.3007-16 · $0.0507-17 · $0.6607-18 · $0.2307-19 · $0.2307-20 · $0.22peak $106-2007-20
DISTINCT BUYERS
06-20 · 2 buyers06-21 · 4 buyers06-22 · 5 buyers06-23 · 2 buyers06-24 · 1 buyer06-26 · 1 buyer06-27 · 1 buyer06-28 · 1 buyer06-29 · 2 buyers06-30 · 2 buyers07-01 · 3 buyers07-02 · 2 buyers07-03 · 2 buyers07-05 · 2 buyers07-06 · 1 buyer07-07 · 3 buyers07-08 · 2 buyers07-09 · 1 buyer07-10 · 4 buyers07-11 · 4 buyers07-12 · 1 buyer07-13 · 2 buyers07-14 · 1 buyer07-15 · 2 buyers07-16 · 1 buyer07-17 · 3 buyers07-18 · 1 buyer07-19 · 1 buyer07-20 · 1 buyerpeak 5 buyers06-2007-20

COMPLIANCE

11/11 checks pass · grade A
  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS

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